386988656

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1272989}}^1$

素因数の和:1273016

約数の個数: 20

約数和(自身を含む): 789253800

約数和(自身を除く): 402265144

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1272989, 2545978, 5091956, 10183912, 20367824, 24186791, 48373582, 96747164, 193494328, 386988656]

約数ペア:

[(1, 386988656), (2, 193494328), (4, 96747164), (8, 48373582), (16, 24186791), (19, 20367824), (38, 10183912), (76, 5091956), (152, 2545978), (304, 1272989)]